Slicing machine



W. J. CAMPBELL July 9, 1935.

SLICING MACHINE Filed June 50, y1933 4 Sheets-Sheet July 9, 1935.

W. J. CAMPBELL SLICING'MACHI'NE Filed June 30, 1933 4 Sheets-Sheet 2July 9, 1935 W. J. CAMPBELL 2,097,823

SLICING MACHINE Filed June 30, 1935 4 Sheets-SheefI 5 July 9, 1935. w.J. CAMPBELL 2,007,823

SLICING MACHINE Filed June so, 1933 4 sheets-sheenv 4 fa/larga PatentedJuly 9, 1935 Y. 2,007,823

UNITED STATES. PATENT orties SLlCING MACHINE WilliamJ. Campbell,Indianapolis, Ind., assigner to American Slicing Machine Company,Chicago, lill., a corporation of New YorkV Application June 30, 1933,Serial No. 678,397` 7 Claims. (Cl. 1216-102) My inventionV relates to animprovementin or recessed as at C2, to receive and overlap the slicingmachines and has for one purpose the proouter edge of the. member C1.Any suitable vision of an improved pusher plate. Anotherv means may beemployed to hold the knife and purpose is the provision of improvedmeans for pulley in place for example the axial screw C9 locking such apusher plate in inoperative posin and the radially spaced screws C10.C12 indicates 5 tion to permit the manual feeding of the matean end wallof the upper housing projection C rial being sliced toward the cuttingplane. AnandC13 the rear wall. As shown in Figure 1, other object `isthe provision of means for per the rear wall is apertured as at C14 topermit the mitting the pusher plate tc be thrown out of the Passagetherethrough of the motor shaft B1 and 10 path of movement of the workthroughout awide of a portion of the motor housing 1?.v As shown i0`range of the travel of the pusher plate; Other in Figures 1 and 2 thebelt Bipasses about the objects will appear from time to time in theknife pulley C4, the knife being thus rotated in course of thespecification andv claims. i response to rotation of the motor.

This application contains material divided from The forward face ofthe@Standing housing 15, applicants prior applications 626,474 filed onmember C is closed as by the guard plate gener- July 30, 1932 and whichmatured into Patent ally indicated as E. As shown inFigure 1 the No.1,966,088von'July l0, 1934 and 640,785, led axis of the knife isslightly tilted to permit the on November 2, 1932 which became PatentNo. arcuate edge El of the guard plate t0 penetrate 1,997,540 on April9, 1935. a forward hollow E2 of the knife and to lie sub- HI illustratemy invention more or-less diagramstantially flush with the very slightlybowed cut- 20 matically in the accompanying drawings, whereting plane.dened by the cutting edge of the in- Y knife..

.Figure 1 is a plan View with parts broken away ;Y Positioned on thebase, and forwardly of the Figure 2 is a front elevation; y knife, arethe tracks J J1, the outer track Jl be- Figure 3 is a vertical sectionon the line 3-3 ing mounted forexample on outwardly extend- 25 of Figure2; a i. ing arms J2. Movable along said tracks is a Figure 4 isa sectionon the line 4 4 of Figure 3, carriage member generally indicated as J3,which illustrating the parts in di'erent positions; y includes trackengaging members J4 J5. Mounted Figure 5 is a plan view of a variantform of on the carriage J3 is the work receiving member work support andpusher plate; and which includesA a main portion JG downwardly 30 Figure6 isa side elevation-of theV structure inclined forwardly toward theknife when the shown in the preceding gure. parts are in the positionshown in Figure 2. As-

LikeV parts are indicated-by like symb01s sociated with it is-an-othermember J7, at right throughout the specification and drawings...r anglesthretO- The DOltOIl Of the member JG Referring te the drawings, Agenerally indicates adjacent the cutting planev extends outwardly as 35any suitable base having anti-vibrational pads or at J 9 andV terminatesin -a rolled edge J1- There supports A1 which rests upon any :suitablesupe is also` provided an aperture JH, with the rolled porting surfaceA2,- ior example'a counter or the edges J12; .This aperture Vserves as athumb- Alike. hold, the portion ofthe member J S between the 40 Bindicates a motor mounted lon the base A and rolled edges` J1 and J12Serving as a readily grasp- 40 v having a'motor. shaft Bland a pulley B2about able handle means. The ngers may be used Ywhich passes a belt B3;to feed meat or pusher plate. .113 J14 indicate a C indicates a housingextension projecting uppair of tracks or pins mounted on the'carriagewardly from the base A. Associated with it; is J3, a portion of whichJ15 extends to the right Vof a flared sleeve C1 terminating rearwardlyin a the work receiving memberJ6 J7, as shown in 45 generallycylindrical portion C2. Positioned with- Figure 1. It is to'thisextending portion of the in the portion C2 the details of which form nocarriage that the pins J13 J14 are secured, Ythey part `of the presentinvention and are not indibeing also supported at their outer-ends bythe lcated in detailA herein, is any `suitable, bearing bracket J16.Positioned in general alignment meansfora knife shaft C3 on which is:mountedM with the inner track J14 and somewhat below 50 apulley C4- andthe knife C5. As will be seen it isV a stubepin J1'7, the purpose forwhich will in Figure 1, the pulley is positioned within and laterappear. is housed by the member C1,but the cutting edge K generallyindicates a pusher plate carriage -or thei knife C5 extends outwardlybeyond it as structureV which is mounted to slide on the pin at C6, therear face of the knife being notched JM. as by thev bearing sleeve K1.The bearing 55 sleeve has connected to it an outwardly extending arm K2to which may be secured also the manual handle K3. The operator may withone hand grasp both the handle K3 and the rolled inner wall J 12 of theslot J 11, when manipulating both carriage and pusher plate with onehand. Mounted at the end of the member K2 is a headed bearing screw K4about which is rotatable the pusher plate proper K5 with its work engaging points K5. The screw K7 actually serves as the pvot, as shown inFigure 1. The plate K5 is provided with an arcuate slot K8 concentricwith the screw K7 which is penentrated by an abutment stud K9 headed asat K10 whereby a limited rotation of the pusher plate K5 is permittedabout its axis. Yielding means, for example the coil spring K11, areprovided for normally rotating the pusher plate to one limit of itsrotation, namely counter-clockwise rotation when the parts are in theposition shown in Figure 2. That is to say, the spring K11 having oneend K12 associated with the member K2 and the other K13 associated withthe pusher plate K5, tends normally to rotate the pusher plate in suchfashion that the abutment K11 K10 is engaged by the lower end of theslot K8. When the parts are in the position in which they are shown inFigure 2 this tendency is gravitally resisted. The pusher plate and itscarriage are freely movable toward and away from the cutting plane butwhen the pusher plate carriage K reaches the end of the pin J17 it lockswith the pin, through any suitable formation or aperture K14, rotationof the pusher plate assembly being prevented. This is important, sincewhen the pusher plate is close to the cutting plane its rotationupwardly may be undesirable, since it might contact outwardly extendingportions of the frame cover plate or the like. As soon as the screw J1rlis cleared, however, the pusher plate assembly is rotatable about thepin J14. K2 is a fiber bearing or riding member for the outer edge ofthe plate K5, preventing a metal to metal contact of the pusher plateand work support and spacing the serrated lower edge of K5 somewhatabove the workengaging surface of the member J6. Rotation of the pusherplate carriage K is limited by the lug K21 in which is adjustablymounted an abutment screw K22 which engages the pin J13 as illustratedin full line in Figure 4.

In order to permit the pusher plate to be locked in inoperativeposition, as shown in dotted line in Figure 2, I employ a latch L in theform of a plunger thrust by the spring L1. It has a working plunger headL2 having a main bevelled surface L3 and a slight bevel L'1 at theopposite side thereof. The parts are so proportioned that when thepusher plate is swung into the dotted line position the latch surface L3rides over the pin J13 and locks on it. 'I'he slight bevel L4 isvaluable as having a locking or tightening and thus rattle preventingeffect. L5 is any suitable manual or finger operated handle whereby theplunger L may be moved into inoperative position to permit the pusherplate assembly to be swung back into the full line position of Figure 2.Preferably I so proportion the parts that when the pusher plate assemblyis in dotted line position it has passed over its center of gravity anda. manual movement is necessary not only to release the latch plunger Lbut to move the pusher plate assembly back over its center of gravityand into the operative or full line position of Figure 2.

Note that in the operation of the plunger L, I provide a limit slot L6in the casting K.

I may employ a gauge plate M which may be actuated in any suitablemanner in response to movement of the manual control member M1. Thedetails thereof form no part of themselves of the present invention.

I may also employ any suitable drip pan N removably mounted on theforward edge of the base A.

Referring to the form of Figures 5 and 6, I illustrate a variantattachment and guiding means for the pusher plate K5. I illustrate forexample the guide pin P upon which is slidable a sleeve P1 formedintegral with or secured to the arm P2 upon which the pusher plateproper is supported.

It will be realized that whereas I have described and shown a. practicaland operative device, nevertheless many changes might be made in thesize, shape, number and disposition of parts without departing from thespirit of my invention. I therefore wish my description and drawings tobe taken as in a broad sense illustrative and diagramm'atic rather thanas limiting me to my v specific showing.

I claim:

l. In a slicing machine, a knife and means for actuating it, a gaugeplate, a carriage and means for guiding the carriage across the face cfthe knife, a work support on said carriage, and a pusher plate and meansfor guiding it across said work support toward and away from the cuttingplane of the knife, said means including a guide member on the carriage,a pusher plate support slidably and rotatably mounted on said guidemember, and means for locking said pusher plate and support ininoperative position after rotation about said guide member to a pointwhere the center of gravity of the pusher plate assembly lies on theside of the guide member opposite to the work support, including alatchassociated with said pusher plate support and an abutment member forsaid latch, extending along a substantial proportion of the path oftravel of the pusher plate.

2. In a slicing machine, a knife and means for actuating it, a gaugeplate, a carriage and means for guiding the carriage across the face ofthe knife, a work support on said carriage, and a pusher plate and meansfor guiding it across said work support toward and away from the cuttingplane of the knife, said means including a guide member on the carriage,a pusher plate support slidably and rotatably mounted on said guidemember, and means for locking said pusher plate and support ininoperative position after rotation about said guide member to a pointwhere the center of gravity of the pusher plate assembly lies on theside of the guide member opposite to the work support, including a latchassociated with the pusher plate support and a pin adapted to act as alocking abutment for said latch, said pin being of generally the samelength as the guide member and being in general parallelism therewith.

3. In a slicing machine, a knife and means for actuating it, a gaugeplate, a carriage and means for guiding the carriage across thefaceofthe knife, a work support on said carriage, and a pusher plate andmeans for guiding it across said work support toward and away from thecutting plane of the knife, said means including a guide on thecarriage, a pusher plate support slidably and rotatably mounted on saidguide, and means for locking said pusher plate and support ininoperative position after rotation about said guide,

said means including a slidably mounted locking plunger associated withthe pusher plate support, yielding means normally urging it into lockingposition, and a locking abutment adapted for locking engagement withsaid plunger, said locking abutment extending along a substantialproportion of the path of excursion of the pusher plate, and manuallyoperable means for moving said plunger into inoperative position.

4. In a slicing machine, a knife and means for actuating it, a gaugeplate, a carriage and means for guiding the carriage across the face ofthe knife, a Work support on said carriage, and a pusher plate and meansfor guiding it across said work support toward and away from the cuttingplane of the knife, said means including a guide on the carriage, apusher plate support slidably and rotatably mounted on said guide, andmeans for locking said pusher plate and support in inoperative positionafter Vrotation about said guide, said means including a slidablymounted locking plunger associated with the pusher plate support,yielding means normally urging it into locking position, and a lockingabutment adapted for locking engagement with said plunger, said lockingabutment extending along a substantial proportion of the path ofexcursion of the pusher plate, and manually operable means for movingsaid plunger into inoperative position, said plunger including abevelled portion adapted to override the locking abutment.

5. In a slicing machine, a knife and means for actuating it, a gaugeplate, a carriage and means for guiding the carriage across the face ofthe knife, a Work support on said carriage, and a pusher plate and meansfor guiding it across said work support toward and away from the cuttingplane of the knife, said means including a guide on the carriage, apusher plate support slidably and rotatably mounted on said guide, andmeans for locking said pusher plate and support in inoperative positionafter rotation about said guide, said means including a slidably mountedlocking plunger associated with the pusher plate support, yielding meansnormally urging it into locking position, and a locking abutment adaptedfor locking engagement With said plunger, said locking abutment beingineffective position for locking throughout a substantial proportion ofthe excursion of the pusher plate, and manually Y operable means formoving said plunger into inoperative position, said plunger including abevelled portion adapted to override the locking abutment, and anadditional bevelled portion adapted to engage the abutment in springthrust locking relationship, after the plunger is in locking position.

6. In a slicing machine having a knife and means for actuating it and agauge plate, a carriage and means for guiding the carriage across theface of the knife, a work support on said carriage and a pusher plateand means for guiding it across said work support toward and away fromthe cutting plane of the knife, said means including a guide on thecarriage, a pusher plate support slidably and rotatably mounted on saidguide, a pusherV plate rotatably mounted on said pusher plate support,means for positively limiting the rotation of said pusher plate inrelation to said support to a predetermined arc, said means beingadapted to check the rotation of the pusher plate in relation to thepusher plate support at a predetermined fixed point at each end of thearc of permitted rotation, and yielding means tending normally toposition said pusher plate at one limit of said arc, including a coilspring positioned about the axis of rotation of the pusher plate, saidspring being connected to the pusher plate and to the pusher platesupport.

' 7. In a slicing machine including a base, a knife thereon and meansfor actuating it, and a carriage and means for guiding the carriage pastthe cutting edge of the knife, a pusher plate guide pin mounted on thecarriage at the edge thereof closest to the cutting edge of the knifewhen the carriage is at the beginning of the cuti ting stroke, a pusherplate support mounted on said guide and including a sleeve slidablealong said guide and a portion extending outwardly from said guide overthe carriage, a pusher plate pivoted to said support, intermediate theends of the pusher plate, and adjacent the midway point of the length ofsaid plate, said pusher plate being provided with an arcuate guide slot,and a member on said support penetrating said guide slot, the portion ofthe pusher plate on the side of its pivot opposite to the arcuate guideslot being of greater weight than the portion on the same side as theguide slot and being adapted to cause a rotation of the pusher plate inrelation to its support when the pusher plate support is lifted upwardlyfrom the carriage.

WILLIAM J. CAB/IPBELL.

